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Emit DeferredDeclsToEmit in a DFS order.

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Currently we emit DeferredDeclsToEmit in reverse order. This patch changes that.

The advantages of the change are that

* The output order is a bit closer to the source order. The change to
test/CodeGenCXX/pod-member-memcpys.cpp is a good example.

* If we decide to deffer more, it will not cause as large changes in the
estcases as it would without this patch.

llvm-svn: 226751
This commit is contained in:
Rafael Espindola
2015-01-22 00:24:57 +00:00
parent 343e496473
commit e5df59ff78
46 changed files with 379 additions and 356 deletions
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12
clang/test/CodeGenCXX/vtable-pointer-initialization.cpp
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@@ -47,14 +47,14 @@ void f() { B b; }
// CHECK-LABEL: define linkonce_odr void @_ZN1BD1Ev(%struct.B* %this) unnamed_addr
// CHECK: call void @_ZN1BD2Ev(
// CHECK-LABEL: define linkonce_odr void @_ZN1BD2Ev(%struct.B* %this) unnamed_addr
// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTV1B, i64 0, i64 2) to i32 (...)**)
// CHECK: call void @_ZN5FieldD1Ev(
// CHECK: call void @_ZN4BaseD2Ev(
// CHECK: ret void
// CHECK-LABEL: define linkonce_odr void @_ZN1BC2Ev(%struct.B* %this) unnamed_addr
// CHECK: call void @_ZN4BaseC2Ev(
// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTV1B, i64 0, i64 2) to i32 (...)**)
// CHECK: call void @_ZN5FieldC1Ev
// CHECK: ret void
// CHECK-LABEL: define linkonce_odr void @_ZN1BD2Ev(%struct.B* %this) unnamed_addr
// CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTV1B, i64 0, i64 2) to i32 (...)**)
// CHECK: call void @_ZN5FieldD1Ev(
// CHECK: call void @_ZN4BaseD2Ev(
// CHECK: ret void